Eight Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 30127 Accepted: 13108 Special Judge Description The 15-puzzle has been around for over 100 years; even if you don't know it by that name, you've seen it. It is constructed with 15…
题目:http://acm.hdu.edu.cn/showproblem.php?pid=4311 Meeting point-1 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3426 Accepted Submission(s): 1131 Problem Description It has been ten years s…
描述 After scrimping and saving for years, Farmer John has decided to build a new barn. He wants the barn to be highly accessible, and he knows the coordinates of the grazing spots of all N (2 ≤ N ≤ 10,000 cows. Each grazing spot is at a point with int…